Followers.

The function of a wall is to enclose and protect a building or to divide space within a building.

To provide a check that a particular wall construction satisfies a range of functional requiremens it is convenient to adopt a list of specific requirements. The commonly accepted requirements of a wall are:

Strength and stability
Resistance to weather and ground moisture
Durability and freedom from maintenance
Fire safety

Resistance to the passage of heat
Resistance to airborne and impact sound
Security